{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:55.522621", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2019-Nov-14_to_2019-Nov-16_26.0_1.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2019110001913}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "November 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 67986.88390366104}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 1.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 26.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 2.25], [23.75, 2.15], [24.0, 2.25], [24.25, 2.15], [24.32, 2.18], [24.47, 2.53], [25.0, 2.75], [25.25, 2.65], [25.5, 2.75], [25.75, 2.65], [26.0, 2.75], [26.53, 2.53], [26.68, 2.18], [27.03, 2.03], [27.25, 1.5], [27.03, 0.97], [26.68, 0.82], [26.65, 0.75], [26.75, 0.5], [26.53, -0.03], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [24.97, -0.53], [24.82, -0.18], [24.75, -0.15], [24.5, -0.25], [23.97, -0.03], [23.82, 0.32], [23.75, 0.35], [23.5, 0.25], [23.25, 0.35], [23.0, 0.25], [22.47, 0.47], [22.25, 1.0], [22.47, 1.53], [22.82, 1.68], [22.97, 2.03], [23.5, 2.25]]]]}, "2019-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 2.25], [23.75, 2.15], [24.0, 2.25], [24.25, 2.15], [24.32, 2.18], [24.47, 2.53], [25.0, 2.75], [25.25, 2.65], [25.5, 2.75], [25.75, 2.65], [26.0, 2.75], [26.53, 2.53], [26.68, 2.18], [27.03, 2.03], [27.25, 1.5], [27.03, 0.97], [26.68, 0.82], [26.65, 0.75], [26.75, 0.5], [26.53, -0.03], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [24.97, -0.53], [24.82, -0.18], [24.75, -0.15], [24.5, -0.25], [23.97, -0.03], [23.82, 0.32], [23.75, 0.35], [23.5, 0.25], [23.25, 0.35], [23.0, 0.25], [22.47, 0.47], [22.25, 1.0], [22.47, 1.53], [22.82, 1.68], [22.97, 2.03], [23.5, 2.25]]]]}, "2019-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 2.25], [23.75, 2.15], [24.0, 2.25], [24.25, 2.15], [24.32, 2.18], [24.47, 2.53], [25.0, 2.75], [25.25, 2.65], [25.5, 2.75], [25.75, 2.65], [26.0, 2.75], [26.53, 2.53], [26.68, 2.18], [27.03, 2.03], [27.25, 1.5], [27.03, 0.97], [26.68, 0.82], [26.65, 0.75], [26.75, 0.5], [26.53, -0.03], [26.18, -0.18], [26.03, -0.53], [25.5, -0.75], [24.97, -0.53], [24.82, -0.18], [24.75, -0.15], [24.5, -0.25], [23.97, -0.03], [23.82, 0.32], [23.75, 0.35], [23.5, 0.25], [23.25, 0.35], [23.0, 0.25], [22.47, 0.47], [22.25, 1.0], [22.47, 1.53], [22.82, 1.68], [22.97, 2.03], [23.5, 2.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4437944644168965}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7765724033365766}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.525976275410528, 25.836853608866875, 25.910458979319685]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.42469496215398, 26.53461808833373, 26.73452450151325]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5416492342493457, 1.855427602819165, 1.9326403729412194]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7450744233028672, 2.3639699852132026, 2.4437944644168965]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.680786279427099, 2.01756891758081, 2.1289245967642465]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9477568169656752, 2.507810427103847, 2.4974229621252904]}}